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Steam News10 June 202625d ago

Sonic 35th Anniversary Event Begins!

A Sonic 35th Anniversary Event is coming to Rumble! Starting..... now! ・Event Duration: 8:00 AM on 6/10/2026 to 7:59 AM on 7/8/2026 (UTC) Our favorite CLASIC hedgehog is here to kick-off the celebrations!

In this update1

Full notes

Full Sonic Rumble Party update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes0 additions9 changes0 removals
  • Events
  • Balance
  • Store
changedA Sonic 35th Anniversary Event is coming to Rumble! Starting..... now!
changed・Event Duration:
changedThe Premium Pass includes the Classic Sonic Skin and Lock-on Cartridge Buddy! Complete missions to earn various rewards! Play through to get XP for the Event Pass and claim Party Sonic for free!
changedGet the Birthday Party-themed Birthday Balloons effect, 35th Anniversary icon, Stickers and more from this event!
changedWhat's New:Classic Sonic Skin
changedWhat's New:King Sonic Skin

Sonic Rumble Party changes

changedA Sonic 35th Anniversary Event is coming to Rumble! Starting..... now!
changed・Event Duration:
changedThe Premium Pass includes the Classic Sonic Skin and Lock-on Cartridge Buddy! Complete missions to earn various rewards! Play through to get XP for the Event Pass and claim Party Sonic for free!
changedGet the Birthday Party-themed Birthday Balloons effect, 35th Anniversary icon, Stickers and more from this event!
changedClassic Sonic Skin

A Sonic 35th Anniversary Event is coming to Rumble! Starting..... now!

・Event Duration:

8:00 AM on 6/10/2026 to 7:59 AM on 7/8/2026 (UTC)

Our favorite CLASIC hedgehog is here to kick-off the celebrations!

The Premium Pass includes the Classic Sonic Skin and Lock-on Cartridge Buddy! Complete missions to earn various rewards! Play through to get XP for the Event Pass and claim Party Sonic for free!

Get the Birthday Party-themed Birthday Balloons effect, 35th Anniversary icon, Stickers and more from this event!

What's New:

  • Classic Sonic Skin

  • King Sonic Skin

  • Birthday Eggman Skin

  • King Shadow Skin

  • Party Sonic Skin

  • Lock-on Cartridge Buddy

  • Genesis Buddy

  • Birthday Bash Koco Buddy

    and more...!

Source

Steam News / 10 June 2026

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